Home / 19,644.42-27,107.08-11,577.55

Finding the Fourth Proportional to 19,644.42, 27,107.08 and 11,577.55

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Solution

The fourth proportional to 19,644.42, 27,107.08 and 11,577.55 is: 15,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.42 : 27,107.08 = 11,577.55 : x
  2. Step 2: Convert to fraction form
    19,644.42/27,107.08 = 11,577.55/x
  3. Step 3: Cross multiply
    19,644.42x = 27,107.08 × 11,577.55
  4. Step 4: Simplify right side
    19,644.42x = 313,833,574.05
  5. Step 5: Solve for x
    x = 313,833,574.05/19,644.42
  6. Step 6: Final answer
    x = 15,975.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.